CN218511800U - High-precision temperature and humidity sensor - Google Patents
High-precision temperature and humidity sensor Download PDFInfo
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- CN218511800U CN218511800U CN202222727799.7U CN202222727799U CN218511800U CN 218511800 U CN218511800 U CN 218511800U CN 202222727799 U CN202222727799 U CN 202222727799U CN 218511800 U CN218511800 U CN 218511800U
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- temperature
- humidity
- humidity sensor
- inductive head
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Abstract
The utility model discloses a high accuracy temperature and humidity sensor, including base and casing, be equipped with binding post between base and the casing, the electric connection has wet quick-witted component and temperature sensitive inductive head on the binding post, the outside of wet quick-witted component and temperature sensitive inductive head all is equipped with the installation cover, all be equipped with buffer gear between installation cover and wet quick-witted component, the temperature sensitive inductive head, the end of wet quick-witted component and temperature sensitive inductive head all is connected with the telescopic link and keeps away from the one end of wet quick-machine component, temperature sensitive inductive head and fixes on the casing inside wall. According to the high-precision temperature and humidity sensor, the humidity sensitive element and the temperature sensing head are integrated together, the size of the sensor is reduced, the process manufacturing difficulty and the manufacturing cost of the sensor are reduced, the humidity sensitive element and the temperature sensing head are measured in a partitioned mode, the safety protection of the humidity sensitive element and the temperature sensing head is guaranteed through the buffer assembly, and the reliability and the anti-interference capacity of the temperature and humidity sensor are improved.
Description
Technical Field
The utility model relates to a temperature and humidity sensor technical field especially relates to a high accuracy temperature and humidity sensor.
Background
Temperature and humidity measurement has extremely wide application in industry, agriculture and daily life, and is also an indispensable factor for researching meteorological conditions and environmental comfort. The temperature sensor mainly adopts a thermistor, the humidity sensor mainly adopts a capacitance principle to realize detection, and the early temperature and humidity measurement system adopts the separately designed temperature sensor and humidity sensor, so that the volume of the measurement system is larger, the compatibility is poor, and the temperature and humidity integrated temperature and humidity sensor is successively provided along with the development of the CMOS technology, so that the volume of the sensor is further reduced, and the volume of the measurement system is also further reduced. However, in some special application occasions, such as weather exploration, cold chain of a cold storage and other environments, the temperature is lower, the lowest temperature in the weather exploration occasion can reach below-80 ℃, and the humidity is mostly in a high humidity state.
Under the extreme environment, due to the self-construction characteristics of the capacitance type humidity sensor, the surface of the humidity sensor is easy to generate the condensation phenomenon, so that the measurement error is increased, the response speed is reduced, and even the humidity sensor is caused to lose efficacy. Along with the development of MEMS technology, in order to solve the moisture condensation problem of a humidity sensor, the currently and generally adopted method is to add heating wires at the bottom or around the humidity sensor, heat the humidity sensor so as to volatilize the moisture of the humidity sensor, but the humidity sensor is heated, the temperature sensor is inaccurate in measurement of the ambient temperature, the sensor is not large enough, the special heating wires are added, an independent welding disc needs to be led out, the process manufacturing difficulty and the manufacturing cost of the sensor are increased, and meanwhile, the reliability and the anti-interference capability of the humidity sensor are also reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving among the prior art and heating humidity transducer and can causing temperature sensor inaccurate to ambient temperature measurement, the increase of sensor volume has increased the technology manufacturing degree of difficulty and the manufacturing cost of sensor, has reduced temperature and humidity transducer's reliability and interference killing feature's problem, and the high accuracy temperature and humidity transducer who provides.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a high accuracy temperature and humidity sensor, includes base and casing, be equipped with binding post between base and the casing, electric connection has wet quick-witted component and temperature sensitive inductive head on the binding post, the outside of wet quick-witted component and temperature sensitive inductive head all is equipped with the installation cover, all be equipped with buffer gear between installation cover and wet quick-witted component, the temperature sensitive inductive head, the end of wet quick-witted component and temperature sensitive inductive head all is connected with the telescopic link and keeps away from the one end of wet quick-machine component, temperature sensitive inductive head and fixes on the casing inside wall.
Preferably, buffer gear is including fixing the cushion collar on the installation cover inside wall, sliding connection has the buffer beam in the cushion collar, the cushion collar and fixed connection mounting panel are extended to the one end of buffer beam, the mounting panel with wet quick-witted, temperature sensitive inductive head counterbalance, fixedly connected with spring between mounting panel and the cushion collar, the spring housing is established on the buffer beam.
Preferably, a partition plate is fixed between the base and the housing, and the partition plate is located between the humidity sensitive element and the temperature sensitive sensor head.
Preferably, the display screen is embedded in the shell, a plurality of setting keys are arranged on the shell, and vent holes are formed in the shell.
Preferably, the base and the shell are connected through a snap.
Preferably, the side wall of the base is provided with wall screw holes.
Has the advantages that:
1. the utility model discloses in, install through casing and base lock joint, with the integration of wet quick-witted component and temperature sensitive inductive head in inside, separately place wet quick-witted component and temperature sensitive inductive head through the subregion board and separately measure the realization humiture, the reliability of measurement is improved, avoid the interference when the heating wire that the outside increases measures the temperature to temperature sensitive inductive head, temperature sensitive inductive head and temperature sensitive component pass through the application of force, the telescopic link is flexible, make temperature sensitive inductive head and temperature sensitive component length obtain the regulation, can stimulate temperature sensitive inductive head and temperature sensitive component out when measuring, improve measurement accuracy, when preserving and placing, press into between casing and the base temperature sensitive inductive head and temperature sensitive component, elastic reply through the temperature sensitive spring, make the buffer beam move in the sliding sleeve, promote the mounting panel and realize the clamp of induction head and temperature sensitive component, the use safety of induction head and temperature sensitive component has been guaranteed, be convenient for place the management;
2. according to the high-precision temperature and humidity sensor, the humidity sensitive element and the temperature sensing head are integrated together, the size of the sensor is reduced, the process manufacturing difficulty and the manufacturing cost of the sensor are reduced, the humidity sensitive element and the temperature sensing head are measured in a partitioned mode, the safety protection of the humidity sensitive element and the temperature sensing head is guaranteed through the buffer assembly, and the reliability and the anti-interference capacity of the temperature and humidity sensor are improved.
Drawings
Fig. 1 is a schematic structural view of a high-precision temperature and humidity sensor provided by the present invention;
fig. 2 is a schematic view of the internal structure of the base of the high-precision temperature and humidity sensor provided by the present invention;
fig. 3 is a schematic view of a sectional structure of a casing of the high-precision temperature and humidity sensor provided by the present invention;
fig. 4 is the utility model provides a high accuracy temperature and humidity sensor's installation cover inner structure schematic diagram.
In the figure: the device comprises a base, a connecting terminal, a display screen, a humidity sensitive element, a temperature sensitive sensing head, a key, a vent hole, a display screen, a humidity sensitive element, a telescopic rod, a temperature sensitive sensing head, a shell, a base seat, a connecting terminal, a wall-mounted screw hole, an installation sleeve, a buffer sleeve, a spring, a buffer rod, a mounting plate, a partition plate and a partition plate, wherein the key is arranged at 1, the vent hole is 2, the display screen is 3, the humidity sensitive element is 4, the telescopic rod is 5, the temperature sensitive sensing head is 6, the shell is 7, the base seat is 8, the connecting terminal is 9, the wall-mounted screw hole is 10, the installation sleeve is 11, the buffer sleeve is 12, the spring is 13, the buffer rod is 14, the mounting plate is 15, and the partition plate is 16.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-4, a high accuracy temperature and humidity sensor, including base 8 and casing 7, be equipped with binding post 9 between base 8 and the casing 7, the electric connection has wet quick-witted component 4 and temperature sensitive inductive head 6 on binding post 9, wet quick-witted component 4 all is equipped with mounting sleeve 11 with the outside of temperature sensitive inductive head 6, mounting sleeve 11 and wet quick-witted component 4, all be equipped with buffer gear between the temperature sensitive inductive head 6, the end of wet quick-witted component 4 and temperature sensitive inductive head 6 all is connected with telescopic link 5 and keeps away from wet quick-witted component 4, the one end of temperature sensitive inductive head 6 is fixed on the casing 7 inside wall, temperature sensitive inductive head 6 passes through the application of force with temperature sensitive machine component 4, telescopic link 5 is flexible, make temperature sensitive inductive head 6 and temperature sensitive machine component 4 length obtain the regulation, can pull out inductive head 6 and temperature sensitive machine component 4 when measuring, improve measurement accuracy.
In the embodiment, the buffer mechanism comprises a buffer sleeve 12 fixed on the inner side wall of the mounting sleeve 11, a buffer rod 14 is connected in the buffer sleeve 12 in a sliding manner, one end of the buffer rod 14 extends out of the buffer sleeve 12 and is fixedly connected with a mounting plate 15, the mounting plate 15 abuts against the humidity-sensitive element 4 and the temperature-sensitive sensor 6, a spring 13 is fixedly connected between the mounting plate 15 and the buffer sleeve 12, the spring 13 is sleeved on the buffer rod 14, the temperature-sensitive sensor 6 and the temperature-sensitive element 4 are pressed between the shell 7 and the base 8, the buffer rod 14 moves in the sliding sleeve 12 through elastic return of the spring 13, the mounting plate 15 is pushed to clamp the temperature-sensitive sensor 6 and the temperature-sensitive element 4, the use safety of the temperature-sensitive sensor 6 and the temperature-sensitive element 4 is ensured, and the placement and management are convenient; a partition plate 16 is fixed between the base 8 and the shell 7, the partition plate 16 is positioned between the humidity sensitive element 4 and the temperature sensitive induction head 6, and the humidity sensitive element 4 and the temperature sensitive induction head 6 are separately placed by the partition plate 16 to realize the separate measurement of the temperature and the humidity, so that the measurement reliability is improved, and the interference of an externally added heating wire to the temperature measurement of the temperature sensitive induction head 6 is avoided; a display screen 3 is embedded in the shell 7, a plurality of setting keys 1 are arranged on the shell 7, and air vents 2 are arranged on the shell 7; the base 8 is connected with the shell 7 through a buckle, the shell 7 is buckled with the base 8, and the humidity sensitive element 4 and the temperature sensitive induction head 6 are integrated inside; the side wall of the base 8 is provided with a wall screw hole 10 for mounting and hanging the device.
In the embodiment, the casing 7 and the base 8 are buckled and mounted, the humidity-sensitive element 4 and the temperature-sensitive sensor head 6 are integrated inside, the humidity-sensitive element 4 and the temperature-sensitive sensor head 6 are separately placed through the partition plate 16 to achieve separate measurement of temperature and humidity, the measurement reliability is improved, interference of an externally added heating wire on the temperature measurement of the temperature-sensitive sensor head 6 is avoided, the temperature-sensitive sensor head 6 and the temperature-sensitive element 4 are forced by force, the telescopic rod 5 stretches and retracts, the lengths of the temperature-sensitive sensor head 6 and the temperature-sensitive element 4 are adjusted, the temperature-sensitive sensor head 6 and the temperature-sensitive element 4 can be pulled out during measurement, the measurement precision is improved, the temperature-sensitive sensor head 6 and the temperature-sensitive element 4 are pressed between the casing 7 and the base 8 during storage and placement, the buffer rod 14 is moved in the sliding sleeve 12 through elastic recovery of the spring 13, the mounting plate 15 is pushed to achieve clamping of the temperature-sensitive sensor head 6 and the temperature-sensitive element 4, the use safety of the temperature-sensitive sensor head 6 and the temperature-sensitive element 4 is guaranteed, and the placement management is convenient to place and manage.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. The utility model provides a high accuracy temperature and humidity sensor, includes base (8) and casing (7), its characterized in that: be equipped with between base (8) and casing (7) binding post (9), the electric connection has wet quick-witted component (4) and temperature sensitive inductive head (6) on binding post (9), wet quick-witted component (4) all are equipped with installation cover (11) with the outside of temperature sensitive inductive head (6), all be equipped with buffer gear between installation cover (11) and wet quick-witted component (4), temperature sensitive inductive head (6), the one end that wet quick-witted component (4) and temperature sensitive inductive head (6) all are connected with telescopic link (5) and keep away from wet quick-witted component (4), temperature sensitive inductive head (6) is fixed on casing (7) inside wall.
2. The high-precision temperature and humidity sensor according to claim 1, characterized in that: buffer gear is including fixing cushion collar (12) on installation cover (11) inside wall, sliding connection has buffer beam (14) in buffer collar (12), buffer collar (12) and fixed connection mounting panel (15) are extended to the one end of buffer beam (14), mounting panel (15) with humidity sensitive element (4), temperature sensitive inductive head (6) offset, fixedly connected with spring (13) between mounting panel (15) and cushion collar (12), spring (13) cover is established on buffer beam (14).
3. The high-precision temperature and humidity sensor according to claim 1, characterized in that: a partition plate (16) is fixed between the base (8) and the shell (7), and the partition plate (16) is positioned between the humidity sensitive element (4) and the temperature sensitive induction head (6).
4. The high-precision temperature and humidity sensor according to claim 1, characterized in that: the display screen (3) is embedded in the shell (7), a plurality of keys (1) are arranged on the shell (7), and air holes (2) are formed in the shell (7).
5. The high-precision temperature and humidity sensor according to claim 1, characterized in that: the base (8) is connected with the shell (7) through a buckle.
6. The high-precision temperature and humidity sensor according to claim 1, characterized in that: and the side wall of the base (8) is provided with a wall screw hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222727799.7U CN218511800U (en) | 2022-10-17 | 2022-10-17 | High-precision temperature and humidity sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222727799.7U CN218511800U (en) | 2022-10-17 | 2022-10-17 | High-precision temperature and humidity sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218511800U true CN218511800U (en) | 2023-02-21 |
Family
ID=85215508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222727799.7U Active CN218511800U (en) | 2022-10-17 | 2022-10-17 | High-precision temperature and humidity sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218511800U (en) |
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2022
- 2022-10-17 CN CN202222727799.7U patent/CN218511800U/en active Active
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